package com.webserver.http;

import sun.awt.windows.ThemeReader;

import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.Socket;
import java.util.HashMap;
import java.util.Map;

public class HttpServletRequest {
    private Socket socket;

    private String method;
    private String uri;
    private String protocol;
    private Map<String,String> headers = new HashMap<>();

    public HttpServletRequest(Socket socket) throws IOException {
        this.socket = socket;
        parseRequestLine();
        parseHeaders();
        parseContent();
    }

    private void parseRequestLine() throws IOException {
        String line = readLine();
        System.out.println("请求行:"+line);
        String[] data = line.split("\\s");
        method = data[0];
        uri = data[1];
        protocol = data[2];
    }

    private void parseHeaders() throws IOException {
        while (true){
            String line = readLine();
            if (line.isEmpty()){
                break;
            }
            String[] data = line.split(":\\s");
            headers.put(data[0],data[1]);
        }
        headers.forEach((k,v) -> System.out.println(k+":"+v));
    }

    private void parseContent() {

    }

    private String readLine() throws IOException {
        InputStream in = socket.getInputStream();
        int d;
        char cur = 'a' , pre = 'a';
        StringBuilder builder = new StringBuilder();
        while ((d = in.read()) != -1){
            cur = (char) d;
            if (pre == 13 && cur == 10){
                break;
            }
            builder.append(cur);
            pre = cur;
        }
        return builder.toString().trim();
    }


    public String getMethod() {
        return method;
    }

    public String getUri() {
        return uri;
    }

    public String getProtocol() {
        return protocol;
    }

    public Map<String, String> getHeaders() {
        return headers;
    }
}
